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T
he
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stronomy
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onnection
Greater San Francisco bay area
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TAC annual star parties:
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Observing reports:
TAC
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PSC
Establised 1996
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Mark Scrivener
,
John Pierce
4
1:37 AM
Timber fire and CalStar
That map was perhaps a bit optimistic....current conditions: On Mon, Aug 24, 2026 at 10:25 PM Mark
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Timber fire and CalStar
That map was perhaps a bit optimistic....current conditions: On Mon, Aug 24, 2026 at 10:25 PM Mark
1:37 AM
Akarsh Simha
, …
Mark
4
Aug 24
OR 5: Final night of the August NM
The "without tracking" part is a bug, not a feature. I hope to fix it soon! On Mon, Aug 24,
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OR 5: Final night of the August NM
The "without tracking" part is a bug, not a feature. I hope to fix it soon! On Mon, Aug 24,
Aug 24
Raghava R
, …
Mark
10
Aug 24
Looking for a Mag1 Portaball Dobsonian
Chuckling.... On Monday, August 24, 2026 at 5:02:03 PM UTC-7 Mark wrote: It's not the newness of
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Looking for a Mag1 Portaball Dobsonian
Chuckling.... On Monday, August 24, 2026 at 5:02:03 PM UTC-7 Mark wrote: It's not the newness of
Aug 24
Richard Navarrete
, …
Rajah
7
Aug 24
Is this repairable?
I can do fine soldering if you need. I have come fine wire if required. On Sun, Aug 23, 2026 at 1:15
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Is this repairable?
I can do fine soldering if you need. I have come fine wire if required. On Sun, Aug 23, 2026 at 1:15
Aug 24
Jamie Dillon, DDK
, …
Mark
20
Aug 24
OR, two August new moon nights at the Pinnacles
That's always been the guideline John, Jamie can confirm too. On Monday, August 24, 2026 at 11:17
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OR, two August new moon nights at the Pinnacles
That's always been the guideline John, Jamie can confirm too. On Monday, August 24, 2026 at 11:17
Aug 24
Dan Smiley
, …
Jamie Dillon, DDK
5
Aug 23
Pic du Midi Observatory, France
Those are some evocative photos, Dan. Pic du Midi always comes off as exotic. Julien our token
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Pic du Midi Observatory, France
Those are some evocative photos, Dan. Pic du Midi always comes off as exotic. Julien our token
Aug 23
Mark Wagner
, …
Graham Smith
6
Aug 23
Lick's has a big anniversary.
I used to volunteer at Lick years ago, off and on. Have great memories of Alex Filippenko and Geoff
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Lick's has a big anniversary.
I used to volunteer at Lick years ago, off and on. Have great memories of Alex Filippenko and Geoff
Aug 23
Mark Wagner
, …
David Cooper
26
Aug 22
Are Tacos still good after 20 years?
The others are Two Dob Bob (Czereinski), Rachel and Jim Everitt. On August 22, 2026 8:54:27 AM PDT,
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Are Tacos still good after 20 years?
The others are Two Dob Bob (Czereinski), Rachel and Jim Everitt. On August 22, 2026 8:54:27 AM PDT,
Aug 22
Mark
, …
Jane Houston Jones
5
Aug 21
Grand Canyon Star Party info?
Thanks Jane, appreciate the info. No water anywhere in the park, or are you referring just to north
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Grand Canyon Star Party info?
Thanks Jane, appreciate the info. No water anywhere in the park, or are you referring just to north
Aug 21
Muriel Dulieu Holzer
,
rayc...@gmail.com
2
Aug 21
OR GSSP 2026 Part I: The Lemon Slice Nebula, the Seal and the Ball, and Hoey’s Triangle
Excellent observing report, Muriel! You kicked it out of the ballpark! (private joke). "A
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OR GSSP 2026 Part I: The Lemon Slice Nebula, the Seal and the Ball, and Hoey’s Triangle
Excellent observing report, Muriel! You kicked it out of the ballpark! (private joke). "A
Aug 21
Brad Templeton
, …
Chris In Felton
10
Aug 20
Dinosaur upper lot and the bright light at the kiosk
I've found that ranger folk have been very happy to help us utilize the special properties of
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Dinosaur upper lot and the bright light at the kiosk
I've found that ranger folk have been very happy to help us utilize the special properties of
Aug 20
Akarsh Simha
, …
Paul Alsing
4
Aug 19
OR 3: If the clouds don't get you, the wind will
Steve, thank you for the correction and fascinating information! On Tue, Aug 18, 2026 at 4:38 PM Paul
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OR 3: If the clouds don't get you, the wind will
Steve, thank you for the correction and fascinating information! On Tue, Aug 18, 2026 at 4:38 PM Paul
Aug 19
Akarsh Simha
Aug 19
OR 4: Greed
(continued from OR 3) Tuesday night was cloudy along most of the Californian coast, so I decided I
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OR 4: Greed
(continued from OR 3) Tuesday night was cloudy along most of the Californian coast, so I decided I
Aug 19
Chris In Felton
, …
miloc...@gmail.com
4
Aug 18
Pinnacles West – SF Bay Area Astronomy Connection
Congrats. I do both, but if the skies stay clear, I'm happy to image and catnap, then leave
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Pinnacles West – SF Bay Area Astronomy Connection
Congrats. I do both, but if the skies stay clear, I'm happy to image and catnap, then leave
Aug 18
Philip Manela
Aug 17
For Sale - Grab-and-Go Rig – Vixen 114ED, Lapides Teegul, Berlebach UNI 24, & AP MaxBright
This is a very nice grab and go visual refractor package. Offering as a complete bundle for $2500
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For Sale - Grab-and-Go Rig – Vixen 114ED, Lapides Teegul, Berlebach UNI 24, & AP MaxBright
This is a very nice grab and go visual refractor package. Offering as a complete bundle for $2500
Aug 17
David Staples
, …
Brad Templeton
4
Aug 17
Imaging question with visual to make it legal :)
As the others have pointed out, that's more polar alignment than you need. I mean it never hurts,
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Imaging question with visual to make it legal :)
As the others have pointed out, that's more polar alignment than you need. I mean it never hurts,
Aug 17
Akarsh Simha
, …
Aris Pope
7
Aug 17
OR 2: A reasonable magnification for a hand-tracked 28-inch
I've gone up that road many times. For a while after the Dolan Fire that was the only accessible
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OR 2: A reasonable magnification for a hand-tracked 28-inch
I've gone up that road many times. For a while after the Dolan Fire that was the only accessible
Aug 17
Chris In Felton
,
Francesco Meschia
2
Aug 16
OR Guacamole Ridge Sat Aug 15
Great OR! All in all it was a good night. I could smell smoke in the air, so I agree that
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OR Guacamole Ridge Sat Aug 15
Great OR! All in all it was a good night. I could smell smoke in the air, so I agree that
Aug 16
Tan usa1
Aug 16
OR: Henry Coe - I have never seen Saturn and Milky Way like this!
Last night I went to Henry coe state park overflow lot. Around midnight the fog rolled in and it
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OR: Henry Coe - I have never seen Saturn and Milky Way like this!
Last night I went to Henry coe state park overflow lot. Around midnight the fog rolled in and it
Aug 16
Mark Wagner
,
Richard Navarrete
3
Aug 16
34 years of star parties and counting.
Richard - those were certainly among the best of times. John Dobson was invited to that one, "
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34 years of star parties and counting.
Richard - those were certainly among the best of times. John Dobson was invited to that one, "
Aug 16
marek.c...@gmail.com
, …
Moshen Chan
18
Aug 15
Totality 2026 over Greenland: Victory was snatched from the jaws of defeat
Holy cow, I'm just catching up on emails and read this insane story. OR of the year for sure.
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Totality 2026 over Greenland: Victory was snatched from the jaws of defeat
Holy cow, I'm just catching up on emails and read this insane story. OR of the year for sure.
Aug 15
Chris In Felton
, …
Vignesh Balaji
7
Aug 15
OI Guacamole Ridge Sat Aug 15
Unfortunately, facing some car troubles. So wont be able to make it today... Clear skies! On Sat, Aug
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OI Guacamole Ridge Sat Aug 15
Unfortunately, facing some car troubles. So wont be able to make it today... Clear skies! On Sat, Aug
Aug 15
Mark
, …
Jamie Dillon, DDK
8
Aug 15
CalStar up next. Here's what may be the first historical announcement.
Yes, it was 2000, as Rashad said 2003 was V4. I specifically recall 2001 just (two?) days after the
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CalStar up next. Here's what may be the first historical announcement.
Yes, it was 2000, as Rashad said 2003 was V4. I specifically recall 2001 just (two?) days after the
Aug 15
Dan Smiley
, …
marek.c...@gmail.com
4
Aug 14
Spain eclipse pt 2
It's great to see that you had a successful eclipse chase, Dan! It sounds like it all worked out
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Spain eclipse pt 2
It's great to see that you had a successful eclipse chase, Dan! It sounds like it all worked out
Aug 14
Dan Smiley
, …
Shashi Sathya
3
Aug 14
OR: Success in Spain for the total solar eclipse! pt 1
Lovely images. Thanks for sharing. Enjoy rest of your Spanish hols! Shashi On Thursday, August 13,
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OR: Success in Spain for the total solar eclipse! pt 1
Lovely images. Thanks for sharing. Enjoy rest of your Spanish hols! Shashi On Thursday, August 13,
Aug 14
Tan usa1
, …
Mark
7
Aug 14
Sierra observing this weekend… IHOp?
Mark and Jamie - thank you for your actions on this. On Thursday, August 13, 2026 at 7:49:02 PM UTC-7
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Sierra observing this weekend… IHOp?
Mark and Jamie - thank you for your actions on this. On Thursday, August 13, 2026 at 7:49:02 PM UTC-7
Aug 14
Alan Agrawal
,
Akarsh Simha
3
Aug 13
Galaxy Chains - S and T
Hi Akarsh, I had seen that the Pisces chain was embedded in a dark filament. The filaments are thin I
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Galaxy Chains - S and T
Hi Akarsh, I had seen that the Pisces chain was embedded in a dark filament. The filaments are thin I
Aug 13
Dan Smiley
Aug 13
Spain eclipse last part
Afterwards we drove a short distance to our backup site which had a better horizon but not as
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Spain eclipse last part
Afterwards we drove a short distance to our backup site which had a better horizon but not as
Aug 13
Komal Bhardwaj
, …
Dan Durkin
7
Aug 12
Lake Tahoe on Aug 12,13
So, you've not been there. 😉 It's not a roadside pullover. On the Google map linked, it's
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Lake Tahoe on Aug 12,13
So, you've not been there. 😉 It's not a roadside pullover. On the Google map linked, it's
Aug 12
Jamie Dillon, DDK
, …
David Kirjassoff
9
Aug 12
OI Pinnacles West again, Wednesday coming up, the 12th, visitors center lot
So you are the lucky guy that snapped that one up at GSSP. It was already sold when I saw it. Hope
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OI Pinnacles West again, Wednesday coming up, the 12th, visitors center lot
So you are the lucky guy that snapped that one up at GSSP. It was already sold when I saw it. Hope
Aug 12