Grasslands Observatory: Northern Caldwell Objects 1-20

All images are oriented with the North at the top and the West to the right.

001 - 020 | 021 - 040 | 041 - 061 | 062 - 078

Caldwell Object	Other Names	Type of Object	Thumbnail Image	Comments
1	NGC188	Open Cluster		This is a bright object but difficult to image due to its declination of 85⁰ 14'.
2	NGC40; Bowtie Nebula	Planetary Nebula
3	NGC4236	Spiral Galaxy
4	NGC7023; Iris Nebula	Bright Nebula	Dream Machine image Takahashi Epsilon 180 image with Canon EOS Ra camera ASA 20-inch f/3.5 telescope image
5	IC342	Spiral Galaxy
6	NGC6543; Cat's Eye Nebula	Planetary Nebula		This is a tiny planetary nebula. Note NGC6552 near the left edge of the image.
7	NGC2403	Spiral Galaxy
8	NGC559	Open Cluster
9	Sh2-155; Cave Nebula	Bright Nebula
10	NGC663	Open Cluster
11	NGC7635; Bubble Nebula	Bright Nebula
11	NGC7635; Bubble Nebula	Bright Nebula
12	NGC6946; Arp29; Fireworks Galaxy	Spiral Galaxy
13	NGC457; Phi Cas Cluster	Open Cluster
14	NGC869/884; Double Cluster	Open Clusters
14	NGC869/884; Double Cluster	Open Clusters	Takahashi Epsilon 130 image with Nikon D100 digital camera. Two minute exposure, ISO 1600. Takahashi Epsilon 160 image with Canon 20da camera. Montage of the Double Cluster with the 24-inch f/5 Grasslands telescope. ASA 20-inch f/3.5 telescope image	135 mm f/2.8 telephoto lens. Two minute exposure. Nikon D100 camera, ISO 1600.
15	NGC6826; Blinking Planetary	Planetary Nebula
16	NGC7243	Open Cluster
17	NGC147	Elliptical Galaxy		Satellite of M31
18	NGC185	Elliptical Galaxy		Satellite of M31
19	IC5146; Cocoon Nebula	Bright Nebula		Takahashi Epsilon 180 image with Canon 20Da camera. Six 10-minute exposures combined.
20	NGC7000; North American Nebula	Complex region of emission, reflection, and dark nebulosity
20	NGC7000; North American Nebula; Pelican Nebula	Complex region of emission, reflection, and dark nebulosity

001 - 020 | 021 - 040 | 041 - 061 | 062 - 078 | Back to top

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