Observation by Martin Butcher: NGC 1499 - The California Nebula

Uploaded by

Stuart Morris

Observer

Martin Butcher

Observed

2010 Jan 06 - 20:55

Uploaded

2021 Apr 02 - 19:32

Objects

The California Nebula (NGC1499)

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Constellation

Perseus

Field centre

RA: 04^h01^m
Dec: +36°29'
Position angle: -1°23'

Field size

4°48' × 3°10'

Equipment

Meade LX-90 8" telescope fitted to its field tripod by an equatorial wedge.
LX-90 Periodic Error Correction enabled.
Dew Removal straps fitted to telescope and camera lens
Telescope and camera powered by Mains Power.
Stock Canon 40D with 200mm f/2.8 lens stopped down to f/4
Telescope driven but unguided

Exposure

Twenty sub-exposures each 3 minutes long taken at ISO1600.

Location

Isle of Colonsay

Target name

NGC 1499 - Hydrogen emission nebula.

Title

NGC 1499 - The California Nebula

About this image

NGC 1499, The California Nebula is an intense hydrogen emission nebula located in the constellation Perseus.

Equipment used:- Stock Canon 40D with 200mm f/2.8 lens mounted piggy-back on Meade LX-90 8" telescope fitted to its field tripod by an equatorial wedge. Telescope polar aligned. LX-90 Periodic Error Correction enabled. Dew Removal straps fitted to telescope and camera lens and operating. Telescope driven but unguided. Telescope and camera powered by Mains Power.

Exposure details:- Twenty sub-exposures each 3 minutes long taken at ISO1600. Ambient temperature was minus 4 degrees Celsius.

Processing details:- After quality control 17 sub-exposures calibrated with Dark, Flat-field and Bias master frames before being combined in Images Plus. This image was then further processed in Photoshop CS3 and Noise Ninja. North is at the top

Narrative description:- Twenty one days after New Moon, the Moon did not rise until after the imaging was completed. The weather was cold; generally clear with isolated clouds and occasional slight breezes from the north (the telescope was set up to the south east of my house).

Files associated with this observation

MButcherNGC1499.jpg (632.1 kB)

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