def compiledFunction(current_observation):
    filteron = False
    annotations={}
    calccount=10000
    bright = False
    nopointunderneath = True
    mover = True
    real = False
    slope = 0.0
    t_slope = 0.0
    rb = 0.0
    positivesubtraction = False
    brightstar = False
    scorr = 0.0
    prevcandidates = current_observation['prv_candidates']
    m_now = current_observation['candidate']['magpsf']
    t_now = current_observation['candidate']['jd']
    fid_now = current_observation['candidate']['fid']
    sgscore = current_observation['candidate']['sgscore1']
    rbscore = current_observation['candidate']['rb']
    magnr = current_observation['candidate']['magnr']
    distnr = current_observation['candidate']['distnr']
    scorr = current_observation['candidate']['scorr']
    bright = m_now < 19.0
    if (current_observation['candidate']['isdiffpos'] and (current_observation['candidate']['isdiffpos'] == 't' or current_observation['candidate']['isdiffpos'] == '1')):
        positivesubtraction = True
        calccount -= 2
    if (rbscore and rbscore > 0.2):
        real = True
        calccount -= 2
    if (sgscore and sgscore > 0.74):
        nopointunderneath = False
        calccount -= 2
    if (magnr and magnr < 15.0 and distnr and distnr < 10):
        brightstar = True
        calccount -= 2
    for candidate in prevcandidates:
        calccount -= 2
        if (candidate['jd'] and candidate['magpsf'] and candidate['fid'] and candidate['isdiffpos'] and (candidate['isdiffpos'] == 't' or candidate['isdiffpos'] == '1')):
            dt = t_now - candidate['jd']
            if (dt > 0.02 and candidate['magpsf'] < 99):
                mover = False
                calccount -= 2
            if (dt != 0.0 and candidate['magpsf'] < 99):
                if (candidate['jd'] > t_slope and candidate['fid'] == fid_now):
                    t_slope = candidate['jd']
                    slope = (m_now - candidate['magpsf']) / dt
                    calccount -= 3
                calccount -= 2
            calccount -= 4
        if calccount < 0:
            break
    annotations['magnitude'] = m_now
    annotations['sgscore'] = sgscore
    annotations['slope'] = slope
    annotations['rbscore'] = rbscore
    annotations['mover'] = mover
    annotations['real'] = real
    annotations['positiveSubtraction'] = positivesubtraction
    annotations['brightStar'] = brightstar
    annotations['magnr'] = magnr
    annotations['distnr'] = distnr
    annotations['scorr'] = scorr
    filteron = bright and nopointunderneath and ((not mover)) and real and positivesubtraction and ((not brightstar))
    return filteron,annotations