[AZ-Observing] Re: M44
- From: Brian Skiff <bas@xxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Wed, 30 Mar 2016 16:26:18 -0700
On Wed, 2016-03-30 at 15:43 -0700, Albert Barr wrote:
Here’s a shot I took last night from home of M44, The Beehive Cluster. I did
this with my Canon 60 DA, 100mm lens, ISO 1600 at F4 and with an Astronomik
light pollution filter. The mount is a Celestron Advanced VX. This is 60, 15
second, unguided images. M44 goes right through the Constellation Cancer. I
was hoping to get it all but I wasn’t even close. Here’s an annotated version
showing 2 of the 5 stars in the Constellation. Processing and annotation done
in PixInsight.
Albert
It may be helpful in picking out specific
stars to know that north is to the upper-left,
and east 90 degrees around to the lower-left.
Depending on how much you can enlarge the image,
you may be able to pick out the four reddish K-type
giants in the cluster and perhaps the bluest
main-sequence stars.
One of the giants is halfway from the center
of the circle to the edge and at about 10 o'clock.
It is in a little trio. The second brightest star
of the trio is a 'blue straggler' and is essentially
the bluest star in the cluster.
\Brian
--
See message header for info on list archives or unsubscribing, and please
send personal replies to the author, not the list.
Other related posts: