Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: RobertM on Jun 17, 2010, 22:40:36

Title: Tulip and Crescent Nebula Widefield
Post by: RobertM on Jun 17, 2010, 22:40:36
I'm not quite sure what happened here as the camera drifted quite a bit during the session.

These two look like they're in a dance around the dark part near the center, kind of strange the way it's worked out!

From the imaging run last night I managed to get 19 x 600s of almost usable subs so here it is:

(http://farm5.static.flickr.com/4070/4709490737_31978a09b1_b.jpg)

Link to full res: http://farm5.static.flickr.com/4070/4709490737_cc7996267f_o.jpg (http://farm5.static.flickr.com/4070/4709490737_cc7996267f_o.jpg)

Annotated version:

(http://farm2.static.flickr.com/1285/4709594925_d300ef0f36_b.jpg)

Capture details:
Exposure: 19 x 10min
Filter: Baader Ha 7nm passband
Camera: Finger Lakes ML 8300
Optics: Canon 200L lens@f/3.2
Conditions: Clear with quite a bit of sky glow.
Date: 16/06/2010
Guiding: None

TFL
Robert
Title: Re: Tulip and Crescent Nebula Widefield
Post by: MarkS on Jun 18, 2010, 08:40:35

Very nice Robert!  Conditions were really good that night for around here and you've clearly taken advantage of them.  Your image goes pretty deep.   I love all the "waves" in the background.

On the annotated version, why doesn't the Tulip have a reference?  And does Do4 have a more familar name?

Mark
Title: Re: Tulip and Crescent Nebula Widefield
Post by: RobertM on Jun 18, 2010, 10:53:25
Thanks Mark.  I used MaximDL for the overlay but it gives less detail when zoomed out; I'll see if I can stitch together a closer version which shows the Tulip designation, from memory I believe it's a Sharpless object.  I'll also check out Do4, I'm sure some American has given it a name somewhere ;)

Robert
Title: Re: Tulip and Crescent Nebula Widefield
Post by: Fay on Jun 19, 2010, 08:02:53
Great Robert, very nice......guiding= none!!!