NGC 7662 The Blue Snowball Nebula Published in Astronomy Now Magazine October 2020 Published in Sky and Telescope Magazine February 2021
A planetary nebula in the constellation Andromeda. There is uncertanty over its distance from Earth, with estimates ranging from 1,800 to 5,600 light years.
TARGET Nomenclature: NGC 7662, Blue Snowball Nebula, Snowball Nebula, PK 106-17.1, GCRV 14695, PN ARO 20, Caldwell 22 Right Ascension: 23:25:53.39 Declination: +42:32:06.0 Size: 30 arc sec (central shell), 2.5 arc min (outer halo)
EQUIPMENT USED Twin APM TMB LZOS 152 refractors 10Micron GM2000 HPS mount Twin QSI6120 CCD cameras Astrodon filters
IMAGE CAPTURE 3nm OIII: 19x1800 bin 2x2 Lum: 36x300 bin 1x1 Red: 24x300 bin 1x1 Green: 22x300 bin 1x1 Blue: 23x300 bin 1x1 Total integration: 19.6 hours Pixel scale: 0.530 arcsec/pixel Field radius: 0.131 degrees Capture dates: 18-27 August 2019 Capture location: Fregenal de la Sierra, Spain