C'est quoi ce zoo ?

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Muriel Dulieu Holzer

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Jun 22, 2026, 9:38:23 PM (21 hours ago) Jun 22
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I have been amused by all the animal names of deep sky objects. So I made a list: 
  • [X] stands for not visible in California. 
  • [L] stands for low/difficult. 
  • [P] stands for photographic only. 
I added a few body parts and mythical animals as well. Please let me know if any animal DSO is missing, if some things are incorrect and which one is your favorite. I hope to look at a few at GSSP.

Spring
• Bear Paw Galaxy (NGC 2537) · Lynx
• The Grasshopper (UGC 4881) · Lynx
• Beehive Cluster (M44 / NGC 2632) · Cancer
• Ant Galaxy (UGC 6046) · Leo
• Flying Bird Galaxy (UGC 6345) · Leo
• Owl Galaxy (NGC 3758) · Leo
• The Spider (UGC 5829) · Leo Minor
• Ant (UGC 6433) · Ursa Major
• Owl Nebula (M97 / NGC 3587) · Ursa Major
• Medusa Galaxy (NGC 4194) · Ursa Major
• Cocoon Galaxy (NGC 4490) · Canes Venatici
• Whale / Herring Galaxy (NGC 4631) · Canes Venatici
• Heron Galaxy (NGC 5394/5395) · Canes Venatici
• Flying Ant Galaxies (NGC 5421) · Canes Venatici
• Eye of Sauron Galaxy (NGC 4151) · Canes Venatici
• Mice Galaxies (NGC 4676) · Coma Berenices
• Black Eye Galaxy (NGC 4826) · Coma Berenices
• The Eyes (NGC 4435/4438) · Virgo
• Siamese Twins / Butterfly Galaxies (NGC 4567/4568) · Virgo
• Antennae Galaxies (NGC 4038/4039) · Corvus [L]
• Ring-tail Galaxy (NGC 4027) · Corvus
• Penguin & Egg/Porpoise Galaxy (NGC 2936/2937 / Arp 142) · Hydra
• Ghost of Jupiter / Eye Nebula (NGC 3242) · Hydra
• Southern Owl Nebula (K 1-22) · Hydra [L]
• Fly's Wing Galaxy (NGC 5152/5153) · Hydra [L]
• Seashell Galaxy (MCG -05-33-005) · Centaurus [L]
• Tadpole Galaxy (Arp 188 / UGC 10214) · Draco
• Running Chicken (IC 2944) · Centaurus [X]
• Southern Crab Nebula (Hen 2-104) · Centaurus [X]
• Dragonfish Nebula · Carina [X] [P]
• Hockey Stick/Fishhook Galaxy (NGC 4656/4657)  · Canes Venatici
• Cat’s Eye / Croc’s Eye Galaxy (M94 / NGC 4736) · Canes Venatici
• Whale’s Pup (NGC 4627) · Canes Venatici
• Spiderweb Galaxy / protocluster (MRC 1138-262) · Hydra [P]

Summer
• Longhorn Galaxy (CGCG 167-040) · Corona Borealis
• Turtle Nebula (NGC 6210) · Hercules
• Bird's Head Galaxy (NGC 6745) · Lyra
• Foxhead Cluster (NGC 6819) · Cygnus
• Footprint Nebula (M1-92) · Cygnus
• Fetus Nebula (NGC 7008) · Cygnus
• Loch Ness Monster Nebula (LDN 772 / LBN 133) · Vulpecula
• Sea Turtle / Blue Flash Nebula (NGC 6905) · Delphinus
• Manatee Nebula (W50) · Aquila
• Black Lizard Nebula (Barnard 138) · Aquila
• Wild Duck Cluster (M11 / NGC 6705) · Scutum
• Eagle Nebula (M16 / NGC 6611) · Serpens
• Rumpled Starfish / Lobster (NGC 6240) · Ophiuchus
• Snake Nebula (Barnard 72) · Ophiuchus [L]
• Cosmic Bat Nebula (LDN 43) · Ophiuchus [L]
• Butterfly / Siamese Squid Nebula (M2-9) · Ophiuchus
• Dark Horse Nebula · Ophiuchus
• Blue Horsehead Nebula (IC 4592) · Scorpius [L]
• Bug / Butterfly Nebula (NGC 6302) · Scorpius [L]
• Cat's Paw Nebula (NGC 6334) · Scorpius [L]
• Lobster / War and Peace Nebula (NGC 6357) · Scorpius [L]
• Butterfly Cluster (M6 / NGC 6405) · Scorpius [L]
• Dark Wolf Nebula (SL 17) · Scorpius [L] [P]
• Parrot's Head Nebula (Barnard 87) · Sagittarius [L]
• Red Spider Nebula (NGC 6537) · Sagittarius
• Dragon Nebula (in M8 Lagoon) · Sagittarius
• Swan / Omega Nebula (M17 / NGC 6618) · Sagittarius
• Rampaging Baboon Nebula · Sagittarius [L]
• Cat's Eye Nebula (NGC 6543) · Draco
• The Condor (NGC 6872) · Pavo [X]
• Ant Nebula (Mz 3) · Norma [X]
• Stingray Nebula (Hen 3-1357) · Ara [X]
• Dragonfly Nebula (NGC 6164/6165) · Norma [X]
• Fighting Dragons of Ara (NGC 6188) · Ara [X]
• Prawn Nebula (IC 4628) · Scorpius [L]
• Caterpillar Nebula (IRAS 20324+4057) · Cygnus [P]
• Emerald (Eye) Nebula (NGC 6572) · Ophiuchus

Fall
• Flying Dragon Nebula (Sh 2-114) · Cygnus
• Egg Nebula (RAFGL 2688) · Cygnus
• Pelican Nebula (IC 5070) · Cygnus
• Cocoon Nebula (IC 5146) · Cygnus
• Flying Bat Nebula (Sh 2-129) · Cepheus
• Lion Nebula (Sh 2-132) · Cepheus
• Giant Squid Nebula (Ou4) · Cepheus [P]
• Elephant Trunk (IC 1396) · Cepheus
• Shark Nebula (LDN 1235) · Cepheus
• Seahorse Nebula (Barnard 150) · Cepheus
• Gecko Nebula (LBN 437) · Lacerta [P]
• Heart Nebula (IC 1805) · Cassiopeia
• Bear Claw Nebula (HDW 2) · Cassiopeia
• Lobster Claw Nebula (Sh 2-157) · Cassiopeia
• Shrimp Nebula (Sh 2-188) · Cassiopeia
• Owl / ET / Dragonfly Cluster (NGC 457) · Cassiopeia
• Fish Head / Northern Bear Nebula (IC 1795) · Cassiopeia
• Anthead Galaxy (NGC 7656) · Aquarius
• Helix / Eye of God Nebula (NGC 7293) · Aquarius
• Skull Nebula (NGC 246) · Cetus
• Butterfly / Little Dumbbell Nebula (M76 / NGC 650-651) · Perseus
• Phoenix Group / Robert's Quartet (NGC 87-92) · Phoenix [X]
• Pacman Nebula (NGC 281) · Cassiopeia
• Retina Nebula (IC 4406) · Lupus [X]

Winter
• Camel Eye / Blue Oyster Nebula (NGC 1501) - Camelopardalis
• The Fly Nebula (NGC 1931) · Auriga
• Spider Nebula (IC 417) · Auriga
• Tadpole Nebula (IC 410) · Auriga
• Starfish Cluster (M38 / NGC 1912) · Auriga
• Crab Nebula (M1 / NGC 1952) · Taurus
• Horsehead Nebula (Barnard 33) · Orion
• Boogeyman Nebula (LDN 1622) · Orion [P]
• Monkey Head Nebula (NGC 2174) · Orion
• Jellyfish Nebula (IC 443) · Gemini
• Medusa Nebula (Abell 21) · Gemini
• Seagull Nebula (IC 2177) · Monoceros / Canis Major
• Fox Fur Nebula (NGC 2264) · Monoceros
• Butterfly Nebula (NGC 2346) · Monoceros
• Canis Major Dwarf · Canis Major
• Duck / Thor's Helmet Nebula (NGC 2359) · Canis Major
• Dolphin Head Nebula (Sh 2-308) · Canis Major [L]
• Butterfly Cluster (M93 / NGC 2447) · Puppis
• Mandrill / Skull & Crossbones Nebula (NGC 2467) · Puppis
• Rotten Egg / Calabash Nebula (OH 231.8+4.2) · Puppis [L]
• Spanish Dancer (NGC 1566) · Dorado [X]
• Tarantula Nebula (NGC 2070) · Dorado [X]
• Cleopatra's Eye (NGC 1535) · Eridanus
• Robin's Egg Nebula (NGC 1360) · Fornax [L]
• Cosmic Eye Galaxy (NGC 1350) · Fornax [L]
• Butterfly / Toby Jug Nebula (IC 2220) · Carina [X]
• Southern Fishhook / Meathook Galaxy (NGC 2442) · Volans [X]

Surya Rao

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Jun 22, 2026, 9:41:42 PM (21 hours ago) Jun 22
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Nice list Muriel!

Have you observed all of these?

Surya

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Muriel Dulieu Holzer

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Jun 22, 2026, 9:44:51 PM (21 hours ago) Jun 22
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Not yet!
I have observed one that I forgot to add to the list: the Butterfly Nebula IC 1318 in Cygnus, best viewed in Summer. 
Which ones have you observed?

-Muriel

Mark

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Jun 22, 2026, 10:05:23 PM (21 hours ago) Jun 22
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I expect none of those names are official as recognized by the IAU.  So you can make up any you like and popularize it!  How about a dark nebula made of your favorite Belgian chocolate?
.

Steve Gottlieb

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1:44 AM (17 hours ago) 1:44 AM
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The IAU doesn’t assign catalog names or proper names to any extragalactic objects (even well known ones such as the Ring Nebula or the Whirlpool Galaxy).

But here’s an article by Ron Buta, one of the leading experts on galaxy morphology, on “The Real Astrophysical Zoo. Colliding Galaxies.”  It was published in 1993 in Mercury magazine (which I enjoyed and kept all these years) and you might find a few new ones. Unfortunately, the old scanned images aren't very good.

Steve   

Astrophysical Zoo_Buta.pdf

Mark Wagner

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10:33 AM (8 hours ago) 10:33 AM
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I'm surprised seeing the Ring Nebula referred to as extragalactic ;-)

Yes, I understood about the IAU and common names.  Proper or common names are to my knowledge "colloquial" (for lack of a better word).  Like calling Babe Ruth "The Bambino" or "Sultan Of Swat", people recognize who those are, even though you can't find a birth record (or legal name change) for those common use names.

So, are any common (extragalactic) use names "official" (I said no)?  What is an official designation, or is everything just accepted by force of use (maybe this is referenced Buta article)?  Scientific databases will/do contain some common extragalactic names (M1, etc.), but if you looked up many/most of the list (Muriel) posted, you won't find them in those databases.  I think one famous/infamous recent "additions" to astronomy name vernacular would be the "Caldwell" objects.  I recall Ray Cash publicly railing against them - and for good reason!

Here also is another compiled "list" of astronomy names (asterisms - some are "animal"), to add to the zoo.  I've chased some of these "objects" for fun - I like the telescope ones.

Telescope





# Name Designation Cons R.A. Dec. Mag Size
1 Keystone
Cet 00h 23m -23d 30' 7 to  8 105'
2 Renou 18
Psc 01h 14m 30d 00' 9 18'
3 E.T. NGC-457 Cas 01h 19m 58d 20' 5 to 10 30'
4 Spatula
Psc 01h 35m 08d 00' 6 to 10 90'
5 Pot and Pitcher
And 01h 55m 41d 20' 8.5 135'
6 Pouring Cup
Cet 02h 12m 08d 30' 6 to 10 90'
7 Engagement Ring
UMi 02h 32m 89d 16' 10 105'
8 Aladdin's Lamp 
Cas 02h 36m 67d 30' 9 105'
9 Kemble's Kite Measuring Scoop Cas 03h 27m 71d 50' 8.5 75'
10 Letter "F"
Eri 03h 38m -07d 45' 8 to 11 60'
11 Letter "D"
Eri 03h 39m -01d 45' 9.5 30'
12 Fish Hook
Tau 04h 25m 21d 15' 8 to 9.5 90'
13 Elosser 1
Ori 04h 50m 07d 51m 7 21'
14 Leaping Minnow Melotte 31 Aur 05h 19m 33d 40' 6 75'
15 FSR 983
Ori 05h 23m 00d 38' 9 5'
16 Smiley Face Cheshire Cat Aur 05h 27m 35d 00' 5 to 7 60'x30'
17 Barbecue Fork
Tau 05h 43m 21d 20' 9 to 11.5 90'
18 Funnel
Lep 05h 46m -15d 40' 9.5 to 10.5 30'
19 "37" NGC 2169 Ori 06h 08m 13d 57' 6 7'
20 Nagler 1
CMa 06h 22m -26d 28' 7 to 10 16'x48'
21 Arrowhead Unicorn's Horn      Mon 06h 40m    -09d 00' 8       15'
22 Christmas Tree NGC 2264 Mon 06h 41m 09d 40' 9.5 30'
23 Pakan's 3
Mon 06h 52m -10d 10' 9.5 to 11.5 60'
24 Levy 384
Pup 08h 15m -13d 58' N/A 2'
25 Flower Vase
Hya 09h 05m -04d 15' 8.5 60'
26 Inchworm
Lyn 09h 05m 38d 16' 4 46'
27 Spade
UMa 09h 42m 53d 20' 9.5 to 10.5 60'
28 The Heart
Hya 09h 43m -13d 50' 10 to 11.5 45'
29 Sailboat
LMi 10h 14m 31d 30' 7 45'
30 Rinnan's Run
Sex 10h 46m 03d 26' 9 to 10 180'
31 Enter Arrow
Sex 10h 50m  -09d 00' 10 45'
32 Broken Engagement Ring
UMa 10h 51m 56d 09' 7 20'
33 Tree Leaf Curved Arrow Com 12h 53m 19d 30' 9.5 45'
34 Stargate
Crv 12h 36m -12d 02' 6 to 11 15'
35 Ty's Oil Can Jaws Vir 12h 39m -11d 25' 9 to 11.5 30'
36 Ferrero 6 Eiffel Tower UMa 13h 10m 57d 31' 7 28'x20'
37 Sand Shovel
Com 13h 15m 19d 00' 9 90'
38 Phaser Gun
Vir 13h 20m 03d 00' 9 to 10 75'
39 Mortar Trowel
Vir 13h 24m -04d 50' 8.5 to9.5 60'
40 Gas Pump Handle
UMa 13h 38m 52d 50' 7.5 to 9.5 45'
41 Picot 1 Napoleon's Hat Boo 14h 14m 18d 33' 9 to 11 20'
42 Do Dz 5
Her 16h 27m 38d 04' 8 27'
43 Mini  Coathanger
UMi 16h 29m 80d 13' 10 15'
44 Backwards 5
Her 16h 37m 30d 45' 7 to 10 20'
45 Do Dz 6
Her 16h 45m 38d 21' 8 3.5'
46 Shark
UMi 16h 45m 77d 50' 9 90'
47 Sudor Ophiuchi
Her 17h 08m 13d 02' 4 180'
48 Do Dz 7
Her 17h 11m 15d 29' 10 10'
49 Do Dz 8
Her 17h 26m 24d 12' 7 15'
50 Butterfly Messier 6 Sco 17h 40m -32d 13' 6 to 10 30'
51 Markov 1
Her 17h 57m 29d 29' 7 15'
52 Chinese Kite
Her 17h 58m 45d 50' 8.5 to11 90'
53 Webb's Wreath Ruby Ring Her 18h 02m 26d 18' 7 11'x7'
54 Candle and Holder
Her 18h 03m 48d 00' 7.5 to10.5 75'
55 Drill Gun
Her 18h 26m 26d 10' 8 to 10 45'
56 Mini-Cas Kemble 2 Dra 18h 35m 72d 18' 7 to 8 30'
57 Tennis Racket
Aql 19h 50m -04d 35' 7 to 9.5 45'
58 Meerschaum Pipe
Cyg 19h 51m 30d 07' 9-12 22'
59 Vultus Irrisorie
Cyg 19h 53m 47d 16' 6 to 8 84'
60 Arrowchain
Sge 19h 55m 17d 18' 9 36'
61 Levy 157 Cane Cyg 19h 48m 37d 43m 9 10'x20'
62 Leiter 4
Sge 20h 01m 20d 03' 6 7'x5'
63 Fairy Ring Chaple's Arc Cyg 20h 04m 38d 10' 7 22'
64 HD 196944
Aqu 20h 41m -06d 49m 6.6 23'
65 Bent Fan  Red Necked Emu Cyg 20h 14m 36d 35' 5.5 to10.5 30'
66 Patchik 56
Cyg 20h 24m 41d 37m 11 3.3'x2.2'
67 Thompson 1
Del 20h 38m 11d 20' 9 6'
68 Theta Delphinus Group
Del 20h 38m 13d 15' 7 to 8 60'
69 Poskus 1 Flyswatter Del 20h 46m 16d 20' 10 to 11 6'
70 M73
Aqu 20h 56m -12d 50' 9 2.8 '
71 Little Orion Leiter 9 Cyg 20h 56m 43d 34' 10 to 11 45'
72 10 Aquarii
Aqu 21h 00m -05d 35m 5.8 29'x15'
73 Toadstool French 1 Del 21h 07m 16d 20' 9 to 12 15'
74 Seedling
Peg 21h 43m 10d 20' 10 45'
75 Tobacco Pipe
Cep 22h 30m 70d 30' 8 to 9 90'
76 Delphinus Minor
Peg 23h 03m 23d 12' 7 to 8 60'
77 The Airplane/Party Balloon
Cas 23h 21m 62d 20' 9.5 75'
78 The Yacht
Cep 23h 25m 64d 15' 9 to 10 120'
79 TPK 1
And 23h 39m 47d 31' 9 to 12 23'x11'
80 Bowl of Stars
Cas 23h 55m 56d 30' 8 120'








Binocular





# Name Designation Cons R.A. Dec. Mag Size
81 Home Plate
And 00h 07m 40d 35' 6 to 7 44'x31'
82 Golf Putter
And 01h 52m 37d 30' 7 95'x25'
83 Kite
Cas 01h 40m 58d 30' 5 to 7 180'
84 Question Mark
Cetus 02h 36m 06d 42' 5 to 7 60'x120'
85 Dipper Bowl Messier 45 Tau 03h 47m 24d 18' 3 to 6 120'
86 Kemble's Cascade
Cam 03h 57m 63d 00' 5 to10 120'
87 Davis' Dog
Tau 04h 22m 21d 46' 5 206'x86'
88 Star Gun Stratton 1 Mon 07h 15m 00d 00' 4 to 7 60'x180'
89 Umbrella
Hya 08h 40m -12d 30' 8 to 9 90'
90 Sea Horse
Hya 13h 10m -23d 30' 9 to 10 105'
91 Baby Scorpion
Hya 14h 48m -26d 06' 5 to 8 300'
92 Coat Hanger Cr.399 Vul 19h 26m 20d 00' 7.5 90'
93 Lucky 7
Cas 23h 03m 59d 30' 5 to 7 195'x70'








Naked-Eye





# Name Designation Cons R.A. Dec. Mag Size
94 Sickle
     Leo 10h 10m       20d 2   9x15 deg
95 Big Dipper
UMa 12h 30m 55d 2 27x13 deg
96 Keystone
Her 17h 00m 33d 4 7x8 deg
97 Tea Pot
Sgr 18h 40m -30d 3 15x9 deg
98 Job's Coffin
Del 20h 40m 15d 4 3x2 deg
99 Water Jar
Aqu 22h 30m 00d 4 4x4 deg
100 Circlet
Psc 23h 30m 03d 4 8x6 deg
101 Great Square
Peg 23h 40m 23d 2 17x15 deg


Mark
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Steve Gottlieb

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12:54 PM (6 hours ago) 12:54 PM
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I have viewed a few extragalactic planetary nebula (you can probably guess the galaxy), but none looked like the Ring 😆

The IAU has officially named 27,235 objects, though the vast majority of these fall in the “Minor Planets” category (asteroids, dwarf planets, etc.). A relatively small number are individual stars (about 600) and exoplanets(164).  None are galaxies, clusters, nebulae, etc (even M1, let alone “Crab Nebula”).  You can see/search the entire list at https://exopla.net/iau-name-lists/  You’ll find Pluto famously in the list as a Minor Planet.

The only list of astronomical nicknames that got under my skin at the time was Stephen O’Meara’s pirate and jewel themed "Deep-Sky Companions: Hidden Treasures” (I have the book).  But maybe others will enjoy this partial list.  Yo-ho-ho.

Dead Man's Chest cluster
Captain Hook cluster
Jolly Roger cluster
Pirate Moon cluster
Pirate Frigate cluster
Mermaid's Purse nebula
Little Jewel Box
13th Pearl nebula
Golden Earring cluster
Heart and Dagger cluster
Blade and Pearl galaxy
Lost jewel of Orion
Fool's Gold galaxy


Mark Wagner

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4:00 PM (3 hours ago) 4:00 PM
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Maybe O'Meara loves "Talk Like A Pirate Day" and that was spill-over.

One very positive I can offer on Muriel's compiled list:  When an object becomes known by a common name, beyond simply a number in a catalog, it is likely because there is something unusual and interesting about it, making it memorable.  The common name is a shortcut to referencing it.  Thus, I would expect it (I assume gathered by AI query) to be a good list of objects both visuallly and for imaging (possibly).

So, perhaps we can add it to TAC's Observing Lists - "Muriel's What Is This Zoo?" list. A bit of permanent TAC fame.

Muriel Dulieu

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5:03 PM (2 hours ago) 5:03 PM
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The list is a mix of 3 AIs, google search, my personal observations and Steve’s database. I am still working on it. I found a few more entries (and there are new entries from the article posted previously), some mistakes, I want to remove the objects not visible visually, and maybe keep a separate list for Southern objects and/or photography only. I am thinking of sorting by RA instead of seasons.

-Muriel

On Jun 23, 2026, at 1:00 PM, Mark Wagner <itsmar...@gmail.com> wrote:



Mark Wagner

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5:58 PM (1 hour ago) 5:58 PM
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Thanks Muriel.  Good project. I'll be very interested to see the completed list.  I do like RA sorts, the seasons are inherent in them, both northern and southern hemispheres. And of course if you look at a "cross-over" object that can be seen from either hemisphere - the season is relative to your location.

Let me know if I can help.

Mark

Jay Freeman

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6:07 PM (1 hour ago) 6:07 PM
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I have only been monitoring this thread casually, but don't forget ...

o The Swan Nebula (M17)
o The Apple Core (M27)
o The Off Ramp (Visual Milky Way Star Cloud, from Cygnus south, on the preceding side of the Great Rift), and ...

o The Elusive Elvis Nebula, which is visible only at remote country gas stations in the small hours after midnight ...

-- Jay Reynolds Freeman, Deep-Sky Weasel
---------------------
Jay_Reynol...@mac.com
http://JayReynoldsFreeman.com (personal web site)

Mark

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6:20 PM (23 minutes ago) 6:20 PM
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Another entry could be the Three Lions (Leo Trio).

Jay Freeman

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6:34 PM (9 minutes ago) 6:34 PM
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That reminds me of some of the early days of TAC: Many of us would be wearing eye patches when we were not at the eyepiece, to preserve dark adaptation. So of course, the way we all greeted each other was with a hearty "ARRRRH!!!". But you can't be a pirate without a pirate hat, so some of us started bringing sheets of newspaper to fold up and make pointy hats to wear while observing. The trouble there is that newspaper doesn't last long when it is wet and dewey, so we switched to aluminum foil instead, and before long the real reason we were wearing them was to avoid getting our brains taken over by radio emanations from the mother ship. That was all very useful, because it scared away innocent bystanders who drove through the parking lot with their headlights on.

Ahh, those were the days ...

ARRRRH!!!


-- Jay Reynolds Freeman, Deep-Sky equvalent of Johnny Depp
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