NebulaCharles LilloIris Nebula, Hc, Deep space imaging, Nubula, sBig, Takahashi fsq-106Comment

The Iris Nebula

NebulaCharles LilloIris Nebula, Hc, Deep space imaging, Nubula, sBig, Takahashi fsq-106Comment

Last night 4 of us made it to HC, Miguel, Fernando, Prabakar and myself. The night was clear of any coudes but the seeing could have been better. I spent my time imaging the Iris.

Here is 2 hours of 10 minute Luminace binned at 1 and 2 hours of 5 minute RGB's binned at 2

Calibration

click to enlarge

Center (RA, Dec):    (315.417, 68.175)
Center (RA, hms):    21h 01m 39.990s
Center (Dec, dms):    +68° 10' 29.821"
Size:    1.86 x 1.43 deg
Radius:    1.174 deg
Pixel scale:    2.68 arcsec/pixel
Orientation:    Up is 82.8 degrees E of N

I’ve been a dedicated to Squarespace fan for 20 years. Love the product, people and company.

Planetary NebulaCharles LilloOwl Nebula, vixen VC200L, Planetary Nebula, HC, sBigComment

The OWL Nebula

The Owl Nebula is a planetary nebula located approximately 2,030 light years away in the constellation Ursa Major.This object is known by the catalogue identifiers Messier Object 97 (M97) and NGC 3587. It was discovered by French astronomer Pierre Méchain on February 16, 1781 When William Parsons, 3rd Earl of Rosse observed the nebula in 1848, his hand-drawn illustration resembled an owl's head. It has been known as the owl nebula ever since.

Planetary NebulaCharles LilloOwl Nebula, vixen VC200L, Planetary Nebula, HC, sBigComment
The OWL Nebula