Observation by Martin Lewis: Mercury (IR) 25th August 2019

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Martin Lewis

Observer

Martin Lewis

Observed

2019 Aug 25 - 11:00

Uploaded

2019 Aug 26 - 23:03

Objects

Mercury

Equipment
  • 222mmDobsonian
  • 685nm IR filter
  • 642nm filter for IR
  • ASI290MM
Location

St Albans

Target name

Mercury

Title

Mercury (IR) 25th August 2019

About this image

Some good seeing yesterday despite the heat allowed some decent views of Mercury approaching superior conjunction and at elongation of 9°. Two independent sets of data, one with a 685nm IR filter and one with a 642nm IR filter show very similar appearance. Messenger data also for comparison.
Martin

Best images selected using PIPP to reduce the 257k and 140k image sets down to 26k and 14k frames then Autostakkert to take that down to 2.6k and  3.5k respectively

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