NGC 2997

Telescope: Planewave 17" CDK Reflector, 2912mm FL
Camera: FLI ProLine PL16803, 4096 x 4096 pixels
Exposure: Lum: 15x3 minutes. Processed with PixInsight.
Location: Siding Springs Observatory, Australia (Elevation 3720')
Image Center (J2000): RA 9h 45m 38s, Dec -31° 11' 31"

Inclined face-on spiral galaxy, apparent mag 10.1. Inclination produces in an apparent oval shape, well-defined spiral arms and a small nucleus with significant intensity reduction to reveal detail. Image from multiple telescopes. 45 minute (15 x 3) Luminance from 17" Planewave, then combined with 10 minute medium resolution R, G, B, HA data publicly available from the NED archive taken with the Danish 1.54 meter at ESO. All fine detail including the galaxy core comes from the luminance layer. Some artifacts from the ESO data remain. Image alignment in PixInsight.


NGC 2997, Inclined face-on spiral galaxy, apparent mag 10.1. Inclination produces in an apparent oval shape, well-defined spiral arms and a small nucleus with significant intensity reduction to reveal detail. 
Image from multiple telescopes. 45 minute (15 x 3) Luminance from 17

Object Label Identifier Notes
Galaxy G1 PGC 707601 Galaxy, mB=16.48
Galaxy G2 2MASX J09461985-3115068 Galaxy
Galaxy G3 2MASX J09445696-3112458 Galaxy
Star Cluster C1013 [L99] n2997-1013 Star Cluster, mV=19.19
Star Cluster C518 [L99] n2997-518 Star Cluster, mV=17.62
Star Cluster C558 [L2004] n2997-558 Star Cluster, mV=18.52
Star Cluster C616 [L2004] n2997-616 Star Cluster, mV=19.68
Star Cluster C651 [L99] n2997-651 Star Cluster, mV=18.76
Star Cluster C679 [L99] n2997-679 Star Cluster, mV=16.98
Star Cluster C693 [L99] n2997-693 Star Cluster, mV=17.27
Star Cluster C811 [L2004] n2997-811 Star Cluster, mV=18.59
Star Cluster C836 [L99] n2997-836 Star Cluster, mV=17.96

Click on the plate solved image to display annotations. 4' across NGC 2997 is about 46,000 light years. Star clusters cataloged in 1999 and 2004. RRLyrae variables first cataloged in 1902.