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Tips

Online Astronomical Photometry Tool

Select image to upload: Select a file
Ra Dec of the object: Enter a valid RA Dec value
Additional options
Filter:
Photometry method: Aperture    Point Spread Function
Do Astrometry: Forced    Only if not available
Size Units:
Aperture radius:
Sky radius:
Sky annulus width:
Recenter stars:
Centering box width:
Read Noise: e-
CCD Gain: e-/ADU
Display image:
Full resolution display: Yes No [2K]