Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: ApophisAstros on Aug 31, 2017, 02:11:44

Title: M45 Pleiades Open Star Cluster *Updated
Post by: ApophisAstros on Aug 31, 2017, 02:11:44
(http://cdn.astrobin.com/images/thumbs/734e1da4a0fdfca414698fe7fbfc0ad5.1824x0_q100_watermark_watermark_opacity-18_watermark_position-6_watermark_size-M_watermark_text-(c)Roger%20Nicholson.jpg) (http://www.astrobin.com/full/309828/B/)
At Cairds on Sat night.
14 x Lights Dithered 5 minutes each
16 x Flats
16 x Bias

(http://cdn.astrobin.com/images/thumbs/1e62cccb5368158178cfa6c31d42dbef.1824x0_q100_watermark_watermark_opacity-18_watermark_position-6_watermark_size-M_watermark_text-(c)Roger%20Nicholson.jpg) (http://www.astrobin.com/full/309828/C/)
More nebulosity in this one..
Roger







Title: Re: M45 Pleiades Open Star Cluster
Post by: Carole on Aug 31, 2017, 08:13:40
Some nice data there Roger.  You can get a bit more nebulosity in curves (anchor down the stars so you don't stretch them), and then go into selective colour and play with the sliders in blue to increase the blue nebulosity.

Well done. Very nice image. 

One more thing, in general, can I suggest you concentrate on getting more data on each target rather than jumping around getting small amounts of data in lots of different ones.  You'll find the results will be much more satisfactory.

I can see the application of decent flats has also made a difference.  For your own interest, try stacking this image again without using flats and see how difficult it is to process without. 

Carole
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: MarkS on Aug 31, 2017, 20:02:16
That's looking really good.  What length exposures did you take?

If you take a few hour's worth of data this could be a really good image.  You've got the whole Winter to add more  ;)

Mark
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: ApophisAstros on Aug 31, 2017, 23:10:38
5 minute subs,
Roger
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: NoelC on Sep 01, 2017, 08:10:04
Its very good Roger!
I am amazed at how much nebulosity you've brought out.
You must have been up late to get this one.

Noel
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: Carole on Sep 01, 2017, 10:49:04
You must be very chuffed with this Roger.

Carole
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: ApophisAstros on Sep 01, 2017, 13:53:53
Yes . Well pleased its funny that i spotted it with my eyes at Cairds, it was like it was saying "IMAGE ME".
Roger
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: Carole on Sep 01, 2017, 14:15:32
It's a good one for a beginner.  As is Orion nebula, Rosette Nebula and Horsehead when they come into view.  But you'll need advice on Orion because of the bright core.

Carole
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: Kenny on Sep 17, 2017, 20:44:11
Well done Roger, that's bloody amazing!
Title: Re: M45 Pleiades Open Star Cluster *Updated
Post by: ApophisAstros on Sep 17, 2017, 22:39:28
Thanks Kenny,
Roger