All Images Copyright Rod Gallagher                                      Click on image to see full size

SH2-155 -- Cave Nebula

Object

Type

Emission Nebula

Constellation

Cepheus

Distance

2,400 light years

Magnitude

7.7

Size

50 x 30 arc-min

Notes

Also known as Caldwell 9

Image

Date

2010-10-09

Place

Okie-Tex Star Party

Exposure Data

HaRGB 180:60:60:60 mins @ -20C

Ha 12x15, R 12x5, G 12x5, B 12x5 mins

Notes

All filters binned 1x1, Created pseudo Lum from RGB data

Equipment

Optics

Takahashi FSQ-106N

Focal Length

530 mm @f/5.0

Mount

Takahashi NJP

Camera

SBIG ST-10XME

Focuser

Robofocus

Filters

CFW-10, Astrodon LRGB

Software

TheSky6, CCDSoft, FocusMax, CCDAutopilot4, CCDStack 2+, PixInsight, PhotoShop CS6

Reprocessed on 07/11/2023