Open Clusters

M103 (NGC 581)

M103Open Cluster, Cassiopeia
Mag 7.4, Size 6.0′
2009-08-05
Subs: 10x60s Dark: 10x60s
C80ED Canon EOS 350D guided Deep Sky Filter
Processed in Nebulosity and PhotoShop CS3

M35 (NGC 2168)

M35Open Cluster, Gemini
Mag 5.3 Size 28′
25-01-2009
C80ED f7.5, Canon EOS 350D
9x30s subs
Processed in Nebulosity and PhotoShop CS3
NGC 2158 is also visible to the upper right

M38 (NGC 1912)

M38Open Cluster, Auriga
Mag 7.4 Size 21′
25-01-2009
C80ED f7.5, Canon EOS 350D
10x30s subs
Stacked in Deep Sky Stacker, Processed in PhotoShop CS3
NGC 1907 is also visible to the right

M39 (NGC 7092)

Open Cluster, Cygnus
Mag 4.6 Size 32′
2010-08-18
200mm f5 Newtonian, Canon EOS 350D
10x60s subs ISO 800
Nebulosity 2, PS CS5
Use PHD guiding for the first time. Not a good result: some trailing and odd rotation at the edges? Maybe camera alignment/movement? I will be going back to Guidemaster.

M44 (NGC 2632)

M44Open Cluster, Cancer
Mag 3.7 Size 95′
20-03-2009
C80ED f7.5, Canon EOS 350D
6x30s 6x45s subs unguided.
Stacked in Deep Sky Stacker, Processed in PhotoShop CS3
Not a great night – light cloud everywhere. This is a very poor image and will need to be redone on a better night.

M45

M45Pleiades, Open Cluster, Taurus
Mag 1.6 Size 110′
22-01-2009
C80ED, Canon EOS 350D
Subs: 5x60s 3x90s,  ISO 800
Guided with 7″ f15 Mak-Cass and SPC900NC
Stacked and processed in Nebulosity and PhotoShop CS3
Autguiding could have been better and not enough subs.

M52 (NGC 7654)

M52Open Cluster, Cassiopeia
Mag 7.3 Size 13′
2009-08-17
C80ED f7.5, Canon EOS 350D, DS Filter, Guided
10x60s 5x90s subs
Stacked in Nebulosity, Processed in PhotoShop CS3
You can see the Bubble Nebula to the upper right (NGC 7635)

M29 (NGC 6913)

M29-thumbOpen Cluster, Cygnus
Mag 7.1 Size 7.0′
2009-07-30
C80ED, Canon EOS 350D, Deep Sky Filter, Guided
10x60s 3x90s ISO 800
Processed in Nebulosity and PhotoShop CS3
Still not got rid of the bluish hue from the filter.

Double Cluster, Perseus

The Double Cluster in Perseus
2009-08-05
C80ED Canon EOS 350D Guided
Deep Sky Filter
Processed in Nebulosity and PS CS3