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Observation by Nick James: Snapshot of Sagittarius

Uploaded by

Nick James

Observer

Nick James

Observed

2018 May 13 - 23:23

Uploaded

2018 May 15 - 16:18

Objects

The Milky Way
Widefield
The Trifid Nebula (M20)
The Lagoon Nebula (M8)
The Omega Nebula (M17)
M23
The Eagle Nebula (M16)
M25

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Constellation

Sagittarius

Field centre

RA: 18h05m
Dec: -19°20'
Position angle: -49°33'

Field size

24° × 16°

Equipment
  • Sony A7s, 85mm f/1.2 lens
Exposure

4s

Location

La Palma

Target name

Sagittarius

Title

Snapshot of Sagittarius

About this image

This is a half-size frame that is part of a long timelapse I was taking showing the stars rising over a nearby ridge to the NE. This is a single 4s exposure at ISO8000 using a Canon 85mm, f/1.2 lens at f/1.8. The quality and low noise of the Sony sensor are amazing. This is an ideal camera for timelapses since such short exposures mean that it is possible to get very smooth motion at 25 fps and the low noise means that there is no need for darks or calibration shots.

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