NGC 7635 Bubble Nebula - Color

Date: 12/16/2019

Description also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575 (BD+60°2522). [Ref: WikiPedia]

Sky Conditions: Thin high clouds  most of the night with 50% moon shine ,  FWHM: 2.8 arc sec/pixel

Imaging: Exposure: 90 min Color de-bayered (30 x 180 sec) at 1x1 bin using Narrowband LPF

Guiding: Unguided

Equipment:

ZWO ASI 183 Color Pro -10 deg C

8” RASA at F2

Paramount ME Mount

SW:

SkyX, PixIsight -  calibration with darks, bias and color correction

Observatory site : Northern VA

© James Providakes 2014