21P/Giacobini-Zinner |
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| 2018 July 09 90 seconds, Borg 77mm f/6.62, SBIG St-i, Keystone College Thomas G. Cupillari Observatory, Hack Road in Fleetville, PA USA | |
| © 2018 John D. Sabia S. Abignton Township, PA USA | |
21P/Giacobini-Zinner |
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|---|---|
|
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|
| 2018 July 09 90 seconds, Borg 77mm f/6.62, SBIG St-i, Keystone College Thomas G. Cupillari Observatory, Hack Road in Fleetville, PA USA | |
| © 2018 John D. Sabia S. Abignton Township, PA USA | |