News:
June 11, 2026
Rochester Astronomy Club
  • Home
  • Events Calendar
  • Resources
    • Library Telescope
    • What to expect at RAC Night Sky Viewing Events
  • Observing Conditions
  • Contact Us
  • The Club
    • Join or Renew
    • Registration
    • New Member Guide
    • Newsletters
    • Outreach
    • Contribute
    • Bylaws
      • For Members
    • Members Pages
      • Mike Carlin
      • Josef Chlachula
      • John Martin
    • Officers
    • History
    • Activity
    • Log In
  • Forum
    • Forum Access Request
    • Forum
HomeCorrigan

Corrigan

Profile picture of Corrigan

@corrigan

Not recently active
  • Activity
  • Profile
  • Groups 0
  • Forums
  • Topics Started
  • Replies Created
  • Engagements
  • Favorites

Forum Replies Created

Viewing 1 post (of 1 total)
  • Author
    Posts
  • March 28, 2011 at 7:39 pm in reply to: Observing tonight? #10960
    Corrigan
    Participant

      According to a quick calculation based on my images of M101, and my scope/camera producing about 1 arcsecond per pixel, M101 is about 15 arcminutes across.

      Mike

    • Author
      Posts
    Viewing 1 post (of 1 total)

    Upcoming Events

    Jun
    12
    Fri
    all-day Members Only Star Party – A Glor... @ DJMOF
    Members Only Star Party – A Glor... @ DJMOF
    Jun 12 all-day
    Members Only Star Party – A Glorious Night for Astronomy @ DJMOF
    The Rochester Astronomy Club will hold a Members Only Star Party on Friday, June 12 at the DJMOF. This should be a glorious night for astronomy, with an opportunity for members to enjoy dark-sky observing, telescope time, and fellowship under the stars. Primary date: Friday, June 12 Backup date: Saturday, June 13 Location: DJMOF — members know the site Audience: [...]
    Jun
    19
    Fri
    9:45 pm Public Sky Observing 2026-06/19 @ Watson Soccer field
    Public Sky Observing 2026-06/19 @ Watson Soccer field
    Jun 19 @ 9:45 pm – 11:45 pm
    Public Sky Observing 2026-06/19 @ Watson Soccer field | Rochester | Minnesota | United States
    Public Sky Observing of the young Moon – 5.1 days after New Moon, planets Venus bright stars, double stars, and more by telescope with guidance members of the Rochester Astronomy Club. What to expect at Public Sky Observing – click here. Reload this page before you leave for the event. Event can be cancelled in case of cloudy weather or [...]
    9:45 pm Public Sky Observing 2026-06/19 @ Watson Soccer field
    Public Sky Observing 2026-06/19 @ Watson Soccer field
    Jun 19 @ 9:45 pm – 11:45 pm
    Public Sky Observing 2026-06/19 @ Watson Soccer field | Rochester | Minnesota | United States
    Public Sky Observing of the young Moon – 5.1 days after New Moon, planets Venus bright stars, double stars, and more by telescope with guidance members of the Rochester Astronomy Club. What to expect at Public Sky Observing – click here. Reload this page before you leave for the event. Event can be cancelled in case of cloudy weather or [...]
    View Calendar

    Quick Links

    • NCRAL Website
    • New Member Guide
    • Join our Email list
    • Join the Club
    • Connect with Us
    • What to expect at Night Sky Viewing events
    • List of articles

    Recent Articles

    • NCRAL 2026 in Cedar Rapids, IA
    • Test Post
    • Observing Alpha Centauri from Fort Myers Beach
    • The Story of the Universe in 100 stars
    • Observe Titan shadow transits

    Recent Forum Topics

    • Website ?s
    • May 2026 Dark Sky Evening.
    • May 8-10 observing?
    • Root River Tonight? (April 18th, 20206)
    • 2026 Meeting Minutes

    Members Blog

    • NCRAL 2026 in Cedar Rapids, IA
    • Test Post
    • Observing Alpha Centauri from Fort Myers Beach
    • The Story of the Universe in 100 stars
    • Sun at RochesterFest

    Recent Newsletters

    Newsletter Vol. 34 — 2024Vol. 34 • 2024
    Newsletter Vol. 33 — 2023Vol. 33 • 2023
    Newsletter Vol. 32 — 2023Vol. 32 • 2023

    Celestial Web Development

    Donate

    Help support the club with a donation


    Search

    Copyright © 2023 | Rochester Astronomy Club | A 501(c)(3) non-profit organization

    Skip to toolbar
    • About WordPress
      • WordPress.org
      • Documentation
      • Learn WordPress
      • Support
      • Feedback
    • Log In