C/2014 Q2 Lovejoy - 8th Feb

[Graeme Coates]

Hi all,

A bit late to the party on this one, but this is my first real return
to imaging after 7+ years having pretty much completed setup of my
observatory (though I have lots of tweaking to do including more PEC
tuning, alignments, etc).

Here's a very quick and dirty process of Comet Lovejoy in Luminance
from the evening of the 8th - 26x1min using the FLT110 @ f7, exposures
start 4min apart, ST2000XM.

Also of note are NGC746 (fuzz bottom right), and UGC1504 (less obvious
fuzz bottom left).

I have colour frames ready reduced, but unprocessed, and I want to try
and work out how to combine with a static star field (have tried
Hubl's method but haven't quite cracked it yet...), but nevertheless I
am back in the land of the imaging :)

Cheers

Graeme

[JR]

Wow! That is amazing.

Sent from my iPad

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> <LOVEJOY.20150208.jpg>

[Tony Angel]

Hi Graeme,

A lovely clear image. Well stacked too. I took one about the same time.
20150208 192207 UT. I spotted the NGC 746, but missed UGC1504.
Weather was bad here so only managed one half decent shot of it.

Best Wishes,

Tony.
--------------------------------------------------
From: "Graeme Coates" <gra...@chromosphere.co.uk>
Sent: Friday, February 13, 2015 12:27 AM
To: <alta...@googlegroups.com>
Subject: {Altair_B - 5339} -: C/2014 Q2 Lovejoy - 8th Feb

[Graeme Coates]

Thanks Tony - pleased with this first effort - need to sit down with a bit more time to process though!

Hubl's method wasn't giving particularly good results on the median/sigma clip - struggling to get rid of a lot of stars especially the outer bloat in the stars... need a bit of a fresh look.

GC

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[Paul gmail]

Nice one Graham.

I see you have not lost your touch.

Paul Harper

Sent from my iPad

> On 12 Feb 2015, at 23:27, Graeme Coates <gra...@chromosphere.co.uk> wrote:
>

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> <LOVEJOY.20150208.jpg>

[Tony Angel]

Hi Graeme,

 

Processing seems fine. You could increase the gaps between the stars by skipping every other or two images in your stacking process. It will not affect the comet much.

 

Tony.

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