SDSS J153817.35+512338.0 campaign for HST

Affiliation
American Association of Variable Star Observers (AAVSO)
Mon, 03/05/2018 - 22:03

AAVSO Alert Notice 618 announces an observing campaign on the faint polar variable SDSS J153817.35+512338.0 in support of HST observations. Please see the notice for details and observing instructions.

Many thanks, and Good observing,

Elizabeth Waagen, AAVSO HQ

Affiliation
American Association of Variable Star Observers (AAVSO)
HST observations scheduled for SDSS J153817.35+512338.0

AAVSO Alert Notice 628 announces the date/time of HST observations of the polar SDSS J153817.35+512338.0 (campaign announced in AAVSO Alert Notice 618). Please see Alert Notice 628 for details and observing instructions.

Many thanks, and Good observing,

Elizabeth Waagen, AAVSO HQ