Observation by John Arnold: AR3323 and AR3321 in H-alpha, with curio...

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John Arnold

Observer

John Arnold

Observed

2023 Jun 02 - 14:18

Uploaded

2023 Jun 02 - 18:11

Objects

The Sun

Equipment
  • Lunt Ls50THa with eyepiece projection and ASI178MM camera
Exposure

exposure time 0.50 msec, stack of best 1500 frames from 20085-frame video of 210 sec duration

Location

Suburban North Leeds

Target name

Sunspot groups AR3323 and AR3321

Title

AR3323 and AR3321 in H-alpha, with curious '2' structure

About this image

These groups have recently rotated into view. North is roughly towards the upper right corner of the image. Note the apparent numeral '2' in the upper group (AR3323).

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