AAVSO HOME > observing > programs > ccd > airmass calculator
 
 
 
Observing
Observing Programs
  Visual
  CCD
  Exoplanet Transit Search
  High Energy Network
  Photoelectric (PEP)
  Infrared Photometry
  Supernova Search
  Nova Search
  Eclipsing Binary
  Short Period Pulsators
  Sunspots and SID
  Observing Campaigns
Observing Aids
Submit Observations
Charts
 
Main sections of web
The AAVSO
Variable Stars
Observing
Access Data
Publications
Support
Education and Outreach
 
Pick a star

Create a light curve
Recent Observations
Find charts
VSX      
  Airmass & Scintillation Calculator

This calculator will give you an approximation for airmass and scintillation (for small and modest aperture telescopes).

Date of Observation

JD or yyyy/mm/dd/hh/mm/ss (UT)

Observer Latitude

dd.ddd. North is positive, South is negative

Observer Longitude

dd.ddd or dd mm ss.
West is - or W, East is + or E (12.123E or +12.123)

Target RA

degrees or hh:mm:ss or hh mm ss

Target Dec.

degrees or dd:mm:ss or dd mm ss

Aperture

cm (optional - only required for scintillation)

Integration Time

seconds (optional - only required for scintillation)

Also check out these tools:

 
  search engine |  site map |  links |  contact us